Laboratory studies of endurance on stationary bicycles have found that caffeine:
A. can double endurance at 80 mg, the amount in a can of Red Bull.
B. can significantly improve work output at doses of 300-500 mg.
C. does not work as well as it did in studies of marathon runners.
D. does not appear to improve performance.
Answer: B
You might also like to view...
Following mass-society theory, the key problem of living in a modern society is
a. finding any personal freedom. b. dealing with persistent poverty. c. gaining a sense of power. d. building a confident personal identity in a quickly changing and morally relativistic world.
The average income of older women is about ____ of older men's income
a. 12 percent b. 43 percent c. 57 percent d. 77 percent e. 89 percent
Some assert that our culture's unchecked individualism and moral weakening have resulted in high divorce rates and low marriage rates. Which perspective would agree with this?
a. inevitable social change b. individualized marriage as decline c. companionate marriage hypothesis d. structural change
Native Americans have high rates of:
A) school dropouts B) suicide C) poverty D) all of the above